<template>
  <div v-if="isExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon" v-on="$attrs" />
  <svg v-else :class="svgClass" aria-hidden="true" v-on="$attrs" >
    <use :xlink:href="iconName" />
  </svg>
</template>

<script setup lang="ts">
import { computed } from "vue";
let props = defineProps<{
  iconClass: string
  className?: string
}>()

let isExternal = computed(() => {
  return /^(https?:|mailto:|tel:)/.test(props.iconClass)
})
let iconName = computed(() => {
  return `#icon-${props.iconClass}`
})
let svgClass = computed(() => {
  if (props.className) {
    return 'svg-icon ' + props.className
  } else {
    return 'svg-icon'
  }
})
let styleExternalIcon = computed(() => {
  return {
    mask: `url(${props.iconClass}) no-repeat 50% 50%`,
    '-webkit-mask': `url(${props.iconClass}) no-repeat 50% 50%`
  }
})
</script>

<style lang="scss" scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover!important;
  display: inline-block;
}
</style>
